HardLabs

Touch kb1

blackjetrock·experimental-computer-for-schools·pcbs/touch_keyboard/touch_kb1/touch_kb1.kicad_pcb

Touch kb1 PCB layout, top view — open source board by blackjetrock

About the Touch kb1 PCB

Touch kb1 is an open source PCB design by blackjetrock, published on GitHub. It is a 2-layer board measuring 229 × 104.5 mm, with 41 components from 4 distinct parts.

Other key parts include the 74HC165. By type, the board carries 32 resistors, 4 ICs, 4 capacitors and 1 connector.

It belongs with the displays & leds designs in this gallery.

From the project

IBM Experimental computer for schools

The schools computer project ran from 1966 to 1970 and was an experimental machine that was never sold, although several were made and were used in schools in the UK. One machine was used for ten years before it failed. It was designed to be used in schools to teach the basics of computer design and programming. The hardware was based on the same components that the IBM system 360 used. The computer was programmed in machine code, and unlike modern machines the machine code is BCD based, not binary. There are 'extracodes' in the system that are analogous to subroutines, these provided…

Touch kb1, from the project README
From the project README

Main components on the Touch kb1

74HC165

Touch kb1 bill of materials (BOM)

41 components, 4 distinct parts.

QtyPartRefs
4
74HC165
U1, U2, U3, U4
1
Conn_01x05_Female
J1
4
100nF
C1, C2, C3, C4
32
10M
R1, R2, R3, R4, R5, R6, R7, R8 +24

Touch kb1 design files

The KiCad project lives in the blackjetrock/experimental-computer-for-schools repository on GitHub; these links point at the commit this page was built from.

Touch kb1: common questions

How big is the Touch kb1 PCB?

The Touch kb1 measures 229 × 104.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Touch kb1?

41 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the Touch kb1 design files?

From the blackjetrock/experimental-computer-for-schools repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Touch kb1 design in my own project?

The repository has no license, so all rights stay with blackjetrock. Use it as a reference, and ask the author before reusing the design.

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